# HeimSync vs UWS WaterBoy

The clearest difference is iOS requirement: HeimSync at 11.0 against UWS WaterBoy's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HeimSync | UWS WaterBoy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Size | 178 MB | 31 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IMI Hydronic Engineering International SA](https://appshunter.io/developer/508015425) | [UWS Technologie GmbH](https://appshunter.io/developer/1796564865) |

## What reviewers say

### HeimSync

[App page](https://appshunter.io/ios/app/heimsync/id6462407888)

**Features:** macOS Compatibility

**In-app purchases:** none


### UWS WaterBoy

[App page](https://appshunter.io/ios/app/uws-waterboy/id6742050402)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HeimSync free?

HeimSync is free to download, with no in-app purchases.

### Is UWS WaterBoy free?

UWS WaterBoy is free to download, with no in-app purchases.

### Do HeimSync or UWS WaterBoy have ads?

Neither HeimSync nor UWS WaterBoy shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*